<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="类型" prop="type">
        <el-select v-model="queryParams.type" placeholder="请选择类型" clearable>
          <el-option
            v-for="dict in typeList"
            :key="dict.id"
            :label="dict.name"
            :value="dict.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:blog:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:blog:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:blog:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:blog:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="blogList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="简介" align="center" prop="introduction" />
      <el-table-column label="封面图片" align="center" prop="coverImg" width="100">
        <template slot-scope="scope">
          <image-preview :src="scope.row.coverImg" :width="50" :height="50"/>
        </template>
      </el-table-column>
      <el-table-column label="类型" align="center" prop="type" width="100">
        <template slot-scope="scope">
          <table-tag :options="typeList" :id="scope.row.type"/>
        </template>
      </el-table-column>
      <el-table-column label="标签" align="center" prop="tag" width="300">
        <template slot-scope="scope">
          <table-tag :options="tagList" :id="scope.row.tag ? scope.row.tag.split(',') : []"/>
        </template>
      </el-table-column>
      <el-table-column label="是否启用" align="center" prop="isEnable" width="100">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_yes_no" :value="scope.row.isEnable"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" width="200">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:blog:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:blog:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改博客对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1000px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="简介">
          <el-input v-model="form.introduction" placeholder="请输入简介" />
        </el-form-item>
        <el-form-item label="内容">
          <mavon-editor
            v-model="form.content"
            ref="md"
            @imgAdd="$imgAdd"
            @change="change"
            style="min-height: 600px"
          />
        </el-form-item>
        <el-form-item label="封面图片" prop="coverImg">
          <image-upload v-model="form.coverImg"/>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择类型">
            <el-option
              v-for="dict in typeList"
              :key="dict.id"
              :label="dict.name"
              :value="dict.id"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="标签" prop="tag">
          <el-checkbox-group v-model="form.tag">
            <el-checkbox
              v-for="dict in tagList"
              :key="dict.id"
              :label="dict.id">
              {{dict.name}}
            </el-checkbox>
          </el-checkbox-group>
        </el-form-item>
        <el-form-item label="是否启用" prop="isEnable">
          <el-radio-group v-model="form.isEnable">
            <el-radio
              v-for="dict in dict.type.sys_yes_no"
              :key="dict.value"
              :label="dict.value"
            >{{dict.label}}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {addBlog, delBlog, getBlog, listBlog, updateBlog} from "@/api/system/blog";
import {listType} from "@/api/system/type";
import {listTag} from "@/api/system/tag";
import Dict from "@/views/system/dict/index.vue";
import TableTag from "@/components/TableTag/index.vue";

export default {
  name: "Blog",
    components: {TableTag, Dict},
  dicts: ['sys_notice_status', 'sys_yes_no', 'sys_notice_type'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 博客表格数据
      blogList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        introduction: null,
        content: null,
        coverImg: null,
        type: null,
        tag: null,
        isEnable: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" }
        ],
          coverImg: [
            { required: true, message: "封面图片不能为空", trigger: "blur" }
        ],

      },
      // 类型列表
      typeList:[],
      // 标签列表
      tagList:[],
    };
  },
  created() {
    this.getList();
    this.getBlogTypeList();
    this.getBlogTagList();
  },
  methods: {
    /** 查询博客列表 */
    getList() {
      this.loading = true;
      listBlog(this.queryParams).then(response => {
        this.blogList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    /** 查询博客类型列表 */
    getBlogTypeList() {
      listType().then(response => {
        this.typeList = response.rows;
          for (let i = 0; i < this.typeList.length; i++) {
              this.typeList[i].id = this.typeList[i].id+""
          }
      });
    },
    /** 查询博客类型列表 */
    getBlogTagList() {
      listTag().then(response => {
        this.tagList = response.rows;
          for (let i = 0; i < this.tagList.length; i++) {
              this.tagList[i].id = this.tagList[i].id+""
          }
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        introduction: null,
        content: null,
        coverImg: null,
        type: null,
        tag: [],
        isEnable: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加博客";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getBlog(id).then(response => {
        this.form = response.data;
        this.form.tag = this.form.tag.split(",");
        this.open = true;
        this.title = "修改博客";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.tag = this.form.tag.join(",");
          if (this.form.id != null) {
            updateBlog(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addBlog(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除博客编号为"' + ids + '"的数据项？').then(function() {
        return delBlog(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('system/blog/export', {
        ...this.queryParams
      }, `blog_${new Date().getTime()}.xlsx`)
    },
    // 将图片上传到服务器，返回地址替换到md中
    $imgAdd(pos, $file) {
      var formdata = new FormData();
      formdata.append("file", $file);
      //将下面上传接口替换为你自己的服务器接口
      axios({
        url: "/common/upload",
        method: "post",
        data: formdata,
        headers: { "Content-Type": "multipart/form-data" }
      }).then(url => {
        this.$refs.md.$img2Url(pos, url);
      });
    },
    change(value, render) {
      // render 为 markdown 解析后的结果
      this.form.content = render;
    },
  }
};
</script>
